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NTN Radial Ball Bearing: 63203, Dbl Sealed, Contact Seal, 17 mm Bore, 40 mm OD - General Purpose Cartridge Radial Ball Bearings
NTNGeneral Purpose Cartridge Radial Ball Bearings

NTN Radial Ball Bearing: 63203, Dbl Sealed, Contact Seal, 17 mm Bore, 40 mm OD

The NTN Radial Ball Bearing, model 63203, is a general purpose cartridge radial ball bearing with a metric system of measurement. It features a double sealed, contact seal design, with a 17 mm bore, 40 mm outer…

SKU 3G-OTH-98141

Brand
NTN
Item
Radial Ball Bearing: 63203, Dbl Sealed, Contact Seal, 17 mm Bore, 40 mm OD
Category
General Purpose Cartridge Radial Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
63203LLUC3/L627
Type
Dbl Sealed, Contact Seal
Bore
17 mm
OD
40 mm
Wd
17.5 mm
System of Measurement
Metric
Bearing Industry Number
63203
View Full Spec Sheet

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Radial Ball Bearing, model 63203, is a general purpose cartridge radial ball bearing with a metric system of measurement. It features a double sealed, contact seal design, with a 17 mm bore, 40 mm outer diameter, and 17.5 mm width (manufacturer part number 63203LLUC3/L627).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 63203 radial ball bearing used for?

The NTN 63203 is a general purpose cartridge radial ball bearing designed for moderate-speed, moderate-load applications such as electric motors, pumps, and conveyor systems. Its double sealed, contact seal design protects against contaminants and retains lubrication, making it suitable for industrial machinery requiring reliable, low-maintenance operation.

What are the specifications of the NTN 63203 bearing?

The NTN 63203 is a metric radial ball bearing with a 17 mm bore, 40 mm outer diameter, and 17.5 mm width. It features double sealed, contact seals and carries the bearing industry number 63203. The manufacturer part number is 63203LLUC3/L627, indicating a C3 internal clearance for applications with thermal expansion.

Where to buy the NTN 63203 bearing worldwide?

3G Electric supplies the NTN 63203 bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this bearing to support your maintenance or production needs anywhere globally.

How to select the correct NTN 63203 bearing for an application?

To select the NTN 63203, verify the shaft diameter matches the 17 mm bore and housing fits the 40 mm OD. Confirm the 17.5 mm width fits your space. The double sealed, contact seal suits dusty or moist environments. Check that the C3 internal clearance accommodates thermal expansion. Always consult the NTN catalog for load ratings and speed limits.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN general purpose cartridge radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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